Home / Guns / Sig Sauer
▼ 13% off
Sig Sauer P365 Fire Control Unit Receiver Black

Sig Sauer P365 Custom Works Fire Control Unit Black 9mm/380 ACP

$349.99 13% off MSRP 5 in stock at 20 retailers
Compatible with all 9mm P365 accessories
Exclusive Titanium Nitride Frame
Titanium Nitride Trigger

Specifications

Caliber
Brand
Series
Custom Works Fire Control Unit
MPN
8900165
UPC
798681626007
MSRP
$399.99

Description

The Sig Sauer P365 Custom Works Fire Control Unit is a replacement fire control assembly for the Sig P365 pistol platform, chambered for 9mm Luger and 380 ACP. It is a striker-fired component designed to be installed in a compatible P365 frame as part of a custom build.

The unit features a skeletonized trigger and a black nitride finish on a titanium body. Each unit carries a custom serial number in the format FCU followed by six digits. It is listed in the Frames category and is compatible with P365 post-upgrade accessories.

The fire control unit is intended for Sig P365 pistols and is offered in black.

  • Brand: Sig Sauer
  • Model: P365 Custom Works Fire Control Unit
  • Platform: Sig P365
  • Calibers: 9mm Luger, 380 ACP
  • Action: Striker Fired
  • Material: Titanium
  • Finish: Black Nitride
  • Trigger: Skeletonized
Stay Connected

Join our newsletter for the latest updates and exclusive deals.

ARMSAGORA

Compare prices on firearms, ammunition, and accessories from hundreds of trusted retailers. Find the best deals, track prices, and build your own loadouts.

© 2026 ARMSAGORA. All rights reserved.
Not an FFL licensed dealer. ARMSAGORA is a product comparison tool.